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Issue 7, Volume 4, July 2007
Print ISSN: 1790-1979
E-ISSN: 2224-3410







Title of the Paper: Experimental Open Channel with Automated Structures


Authors: Carlos Bautista, Natividad Barrios, Julian Gonzalez, Nahun Garcia

Abstract: In Mexico, practically all conveyance systems for water irrigation are composed by a network of channels with control structures operated manually. The lack of automation often results in low irrigation efficiency. To improve water management in these systems, the government has modernized some irrigation districts with automatic structures. However, problems have emerged with the operation of these structures, causing the users to show their inconformity about the new gates. In order to solve this problem, an experimental channel was built where prototypes of hydromechanical structures were installed. This paper presents the results of the experimental channel in terms of capacity building and research on the adaptation of the automated gates to the characteristics of Mexican canals.

Keywords: Open channel; automated; floodgates; operation efficiencies.

Title of the Paper: Interactive Multimedia Material for an Electrical Power Quality Course


Authors: P.G. Marambeas, P. Stergiopoulos, S. Papathanasiou, P. Bauer, S.N. Manias

Abstract: The aim of this paper is to present an interactive multimedia material, which can assist to the educational environment of electrical power quality courses and especially to those, which do not include laboratory exercises. This computer interactive multimedia course, which can be executed on any modern personal computer without any additional hardware or software, includes general power quality definitions, harmonic analysis, calculation of Total Harmonic Distortion (THD), power factor correction, passive filters, resonance phenomena, operation of active filters, operation of active voltage regulators, and operation of state of the art inverters. Finally, the contents of the proposed e-learning material will be presented and the implementation of some key interactive animations will be explained and analyzed.

Keywords: Interactive animations, power quality, inverters, harmonics, passive filtering, active filtering.

Title of the Paper: Embedded System Education in Zhejiang University


Authors: Tianzhou Chen, Jijun MA, Qingsong Shi, Li Chen

Abstract: Embedded system becomes more and more useful in all of the domain of our society. An embedded system education in universities is an urgent requirement. College of Computer Science of Zhejiang University is trying to improve its education in embedded system. This paper describes the achievement Zhejiang University has accomplished since 2002.

Keywords: Embedded System, Curriculum, Course reformation, Embedded Software

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